MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A covalent liquid which does not conduct electricity is |
| A. | non-electrolyte |
| B. | strong electrolyte |
| C. | a bad insulator |
| D. | weak electrolyte |
| Answer» B. strong electrolyte | |
| 2. |
Natrium is the Latin name for |
| A. | Nitrogen |
| B. | Nickel |
| C. | Stannum |
| D. | sodium |
| Answer» E. | |
| 3. |
Since the ions are held in fixed positions by strong forces, electricity is not conducted by |
| A. | electrolytes |
| B. | electrodes |
| C. | metals |
| D. | insulators |
| Answer» E. | |
| 4. |
Pure water H |
| A. | non-electrolyte |
| B. | strong electrolyte |
| C. | poor insulator |
| D. | weak electrolyte |
| Answer» B. strong electrolyte | |
| 5. |
In the electrolysis of aqueous solutions of dilute acids or dilute alkalis, the amount of hydrogen given off is |
| A. | roughly the same as of oxygen given off at anode |
| B. | roughly half of the oxygen given off at the anode |
| C. | is roughly twice the oxygen given off at cathode |
| D. | is roughly twice the oxygen given off at anode |
| Answer» E. | |
| 6. |
Electrode may not be made up of |
| A. | Platinum |
| B. | Graphite |
| C. | Silver |
| D. | Copper |
| Answer» D. Copper | |
| 7. |
Alloys are a form of |
| A. | compound |
| B. | mixture |
| C. | transition metals |
| D. | metal |
| Answer» C. transition metals | |
| 8. |
In Universal indicators, violet color indicates |
| A. | strong alkalis |
| B. | strong acids |
| C. | weak bases |
| D. | weak acids |
| Answer» B. strong acids | |
| 9. |
Copper wire is an example of |
| A. | a compound |
| B. | an alloy |
| C. | an element |
| D. | a mixture |
| Answer» D. a mixture | |
| 10. |
A dissolved solid can be separated from the solution through |
| A. | sublimation |
| B. | simple filtration |
| C. | decanting |
| D. | evaporation |
| Answer» E. | |
| 11. |
Oxidation is also referred to as |
| A. | respiration |
| B. | combustion |
| C. | None of Above |
| D. | Both A and B |
| Answer» E. | |
| 12. |
Electrolysis refers to the |
| A. | passing electricity through a solution or molten solid |
| B. | passing of cathode in molten solid |
| C. | copper plating of utensils |
| D. | substance that does not allow the flow of electricity |
| Answer» B. passing of cathode in molten solid | |
| 13. |
The symbol of Cobalt is |
| A. | Cu |
| B. | Co |
| C. | Ca |
| D. | Cl |
| Answer» C. Ca | |
| 14. |
In writing chemical equations, inclusion of state symbols shall be done while |
| A. | the equation is being balanced to fulfill the law of conservation of mass |
| B. | correct chemical formulae of reactants and products are written |
| C. | the chemical formulae of products and reactants have been changed to bring about quick balancing |
| D. | the equation has been balanced |
| Answer» E. | |
| 15. |
if metal hydroxide and acid reaction to form potassium nitrate, the other by-product will be |
| A. | hydrogen |
| B. | water |
| C. | water and carbon dioxide |
| D. | Carbon dioxide |
| Answer» C. water and carbon dioxide | |
| 16. |
Relative formula mass of aluminum sulphate (NH |
| A. | 113.14g/mol |
| B. | 132.14g/mol |
| C. | 143.69g/mol |
| D. | 139.33g/mol |
| Answer» C. 143.69g/mol | |
| 17. |
The increase in kinetic energy of the car having mass 800 kg and velocities ranging from 20 ms |
| A. | 500 KJ |
| B. | 300 KJ |
| C. | 200 KJ |
| D. | 400 KJ |
| Answer» D. 400 KJ | |
| 18. |
Renal vein returns blood to |
| A. | left kidney |
| B. | right kidney |
| C. | left atrium of the heart |
| D. | both kidneys |
| Answer» E. | |
| 19. |
Source of energy in respiration is |
| A. | Disaccharides |
| B. | monosaccharide |
| C. | Cytokinins |
| D. | polysaccharides |
| Answer» C. Cytokinins | |
| 20. |
The glomerulus and Bowman's capsule are located in the |
| A. | cortex of the kidney |
| B. | medulla of the kidney |
| C. | hilus of the kidney |
| D. | pelvis of the kidney |
| Answer» B. medulla of the kidney | |
| 21. |
Proximal Convoluted tubule exists in |
| A. | medulla |
| B. | cortex |
| C. | ureter |
| D. | pelvis |
| Answer» C. ureter | |
| 22. |
The layer of the arteries and vessels minimize the friction with the blood is referred as |
| A. | tunica externa |
| B. | tunica intima |
| C. | inner endothelium |
| D. | tunica media |
| Answer» D. tunica media | |
| 23. |
Which statement is incorrect? Seeds shed from parent plant |
| A. | are in a state of dormancy |
| B. | can grow right away |
| C. | are metabolically inactive. |
| D. | have little water content |
| Answer» C. are metabolically inactive. | |
| 24. |
Sugar transports in plants is |
| A. | sucrose |
| B. | glucose |
| C. | fructose |
| D. | maltose |
| Answer» B. glucose | |
| 25. |
An Urea has normally less |
| A. | solubility than ammonia |
| B. | toxic than ammonia |
| C. | None of above |
| D. | Both A and B |
| Answer» E. | |
| 26. |
Time taken to complete a revolution around a planet is called |
| A. | time period |
| B. | orbital period |
| C. | wavelength |
| D. | frequency |
| Answer» C. wavelength | |
| 27. |
The capacitor is fully charged if the potential difference is equal to |
| A. | current |
| B. | e.m.f |
| C. | none of above |
| D. | resistance |
| Answer» C. none of above | |
| 28. |
The number of power supplies requires to get the output of op-amp is |
| A. | four |
| B. | two |
| C. | three |
| D. | six |
| Answer» C. three | |
| 29. |
The mass of the satellite orbiting the earth is |
| A. | irrelevant |
| B. | considered |
| C. | should be zero |
| D. | should be infinite |
| Answer» B. considered | |
| 30. |
The least count of screw gauge is |
| A. | 0.5 cm |
| B. | 0.01 cm |
| C. | 0.01 mm |
| D. | 0.1 cm |
| Answer» D. 0.1 cm | |
| 31. |
The unit of luminous intensity is |
| A. | Kg |
| B. | meter |
| C. | mol |
| D. | cd |
| Answer» E. | |
| 32. |
Geostationary satellites have lifetime of nearly |
| A. | 10 years |
| B. | 20 years |
| C. | 60 years |
| D. | 50 years |
| Answer» B. 20 years | |
| 33. |
The average power dissipated in the resistor if the sinusoidal p.d of peak value 25V is connected across a 20Ω resistor is |
| A. | 15 W |
| B. | 15.6 W |
| C. | 17 W |
| D. | 16 W |
| Answer» C. 17 W | |
| 34. |
If there is no net force acting on body then it's acceleration is |
| A. | constant |
| B. | zero |
| C. | decreasing |
| D. | increasing |
| Answer» C. decreasing | |
| 35. |
The maximum displacement from equilibrium position is |
| A. | amplitude |
| B. | frequency |
| C. | period |
| D. | wavelength |
| Answer» B. frequency | |
| 36. |
The force acting on two point masses is directly proportional to |
| A. | difference of masses |
| B. | sum of masses |
| C. | product of masses |
| D. | distance between masses |
| Answer» D. distance between masses | |
| 37. |
Elements undergo radioactive decay when proton number becomes greater than |
| A. | 40 |
| B. | 50 |
| C. | 73 |
| D. | 83 |
| Answer» E. | |
| 38. |
In Hall effect, the voltage across the probe is known as |
| A. | emf |
| B. | hall voltage |
| C. | none of above |
| D. | potential difference |
| Answer» C. none of above | |
| 39. |
The splitting of white light in to constituent colors is called |
| A. | refraction |
| B. | diffraction |
| C. | dispersion |
| D. | reflection |
| Answer» D. reflection | |
| 40. |
The speed of electromagnetic radiation is independent of |
| A. | amplitude |
| B. | wavelength |
| C. | frequency |
| D. | time period |
| Answer» D. time period | |
| 41. |
Centripetal force is directed towards the |
| A. | center |
| B. | tangent to circle |
| C. | parallel to circle |
| D. | normal to circle |
| Answer» B. tangent to circle | |
| 42. |
The phase difference between two antinodes in adjacent loops and opposite sides is |
| A. | 45° |
| B. | 90° |
| C. | 360° |
| D. | 180° |
| Answer» E. | |
| 43. |
The changing magnetic field induces |
| A. | current |
| B. | charge |
| C. | voltage |
| D. | frequency |
| Answer» B. charge | |
| 44. |
In an adult, around 125 cm |
| A. | 0.45 |
| B. | 0.25 |
| C. | 0.74 |
| D. | 0.64 |
| Answer» E. | |
| 45. |
Rate of respiration is high in |
| A. | animals |
| B. | plants |
| C. | None of above |
| D. | no difference in plants and animals |
| Answer» B. plants | |
| 46. |
In plants, movement of CO |
| A. | diffusion |
| B. | surface area |
| C. | active transport |
| D. | concentration gradient |
| Answer» B. surface area | |
| 47. |
After circulation, blood returns to the |
| A. | vena cava |
| B. | left atrium |
| C. | right ventricle |
| D. | right atrium |
| Answer» B. left atrium | |
| 48. |
Consider the equation: Ca+2 (aq) + 2OH- (aq) → Ca(OH) |
| A. | blue color |
| B. | green color |
| C. | white color |
| D. | brown color |
| Answer» D. brown color | |
| 49. |
The force exerted by bat on ball if it strikes a ball of mass 0.16 kg initially hits the bat with speed of 25 ms |
| A. | 1333.33 N |
| B. | 145 N |
| C. | 6543 N |
| D. | 1456.7 N |
| Answer» B. 145 N | |
| 50. |
The relative atomic mass of 3O |
| A. | 140 |
| B. | 48 |
| C. | 320 |
| D. | 180 |
| Answer» E. | |